Linux Standard Base Desktop Specification 4.0
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png_set_unknown_chunk_location

Name

png_set_unknown_chunk_location -- set the location of an unknown chunk in a PNG file

#include <png.h>

void png_set_unknown_chunk_location(png_structp png_ptr, png_infop info_ptr, int chunk, int location);

This interface shall set the location of an unknown chunk in a PNG file.

The parameter png_ptr shall specify the PNG file.

The parameter info_ptr shall specify the PNG info structure.

The parameter chunk shall specify the number of the chunk in the array of unknown chunks.

The parameter location shall specify the new location of the chunk within the PNG file.

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